182 lines
6.5 KiB
JavaScript
182 lines
6.5 KiB
JavaScript
|
|
/*
|
|
* Licensed to the Apache Software Foundation (ASF) under one
|
|
* or more contributor license agreements. See the NOTICE file
|
|
* distributed with this work for additional information
|
|
* regarding copyright ownership. The ASF licenses this file
|
|
* to you under the Apache License, Version 2.0 (the
|
|
* "License"); you may not use this file except in compliance
|
|
* with the License. You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing,
|
|
* software distributed under the License is distributed on an
|
|
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
|
|
* KIND, either express or implied. See the License for the
|
|
* specific language governing permissions and limitations
|
|
* under the License.
|
|
*/
|
|
|
|
var _util = require("zrender/lib/core/util");
|
|
|
|
var each = _util.each;
|
|
var isString = _util.isString;
|
|
|
|
/*
|
|
* Licensed to the Apache Software Foundation (ASF) under one
|
|
* or more contributor license agreements. See the NOTICE file
|
|
* distributed with this work for additional information
|
|
* regarding copyright ownership. The ASF licenses this file
|
|
* to you under the Apache License, Version 2.0 (the
|
|
* "License"); you may not use this file except in compliance
|
|
* with the License. You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing,
|
|
* software distributed under the License is distributed on an
|
|
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
|
|
* KIND, either express or implied. See the License for the
|
|
* specific language governing permissions and limitations
|
|
* under the License.
|
|
*/
|
|
|
|
/**
|
|
* Note that it is too complicated to support 3d stack by value
|
|
* (have to create two-dimension inverted index), so in 3d case
|
|
* we just support that stacked by index.
|
|
*
|
|
* @param {module:echarts/model/Series} seriesModel
|
|
* @param {Array.<string|Object>} dimensionInfoList The same as the input of <module:echarts/data/List>.
|
|
* The input dimensionInfoList will be modified.
|
|
* @param {Object} [opt]
|
|
* @param {boolean} [opt.stackedCoordDimension=''] Specify a coord dimension if needed.
|
|
* @param {boolean} [opt.byIndex=false]
|
|
* @return {Object} calculationInfo
|
|
* {
|
|
* stackedDimension: string
|
|
* stackedByDimension: string
|
|
* isStackedByIndex: boolean
|
|
* stackedOverDimension: string
|
|
* stackResultDimension: string
|
|
* }
|
|
*/
|
|
function enableDataStack(seriesModel, dimensionInfoList, opt) {
|
|
opt = opt || {};
|
|
var byIndex = opt.byIndex;
|
|
var stackedCoordDimension = opt.stackedCoordDimension; // Compatibal: when `stack` is set as '', do not stack.
|
|
|
|
var mayStack = !!(seriesModel && seriesModel.get('stack'));
|
|
var stackedByDimInfo;
|
|
var stackedDimInfo;
|
|
var stackResultDimension;
|
|
var stackedOverDimension;
|
|
each(dimensionInfoList, function (dimensionInfo, index) {
|
|
if (isString(dimensionInfo)) {
|
|
dimensionInfoList[index] = dimensionInfo = {
|
|
name: dimensionInfo
|
|
};
|
|
}
|
|
|
|
if (mayStack && !dimensionInfo.isExtraCoord) {
|
|
// Find the first ordinal dimension as the stackedByDimInfo.
|
|
if (!byIndex && !stackedByDimInfo && dimensionInfo.ordinalMeta) {
|
|
stackedByDimInfo = dimensionInfo;
|
|
} // Find the first stackable dimension as the stackedDimInfo.
|
|
|
|
|
|
if (!stackedDimInfo && dimensionInfo.type !== 'ordinal' && dimensionInfo.type !== 'time' && (!stackedCoordDimension || stackedCoordDimension === dimensionInfo.coordDim)) {
|
|
stackedDimInfo = dimensionInfo;
|
|
}
|
|
}
|
|
});
|
|
|
|
if (stackedDimInfo && !byIndex && !stackedByDimInfo) {
|
|
// Compatible with previous design, value axis (time axis) only stack by index.
|
|
// It may make sense if the user provides elaborately constructed data.
|
|
byIndex = true;
|
|
} // Add stack dimension, they can be both calculated by coordinate system in `unionExtent`.
|
|
// That put stack logic in List is for using conveniently in echarts extensions, but it
|
|
// might not be a good way.
|
|
|
|
|
|
if (stackedDimInfo) {
|
|
// Use a weird name that not duplicated with other names.
|
|
stackResultDimension = '__\0ecstackresult';
|
|
stackedOverDimension = '__\0ecstackedover'; // Create inverted index to fast query index by value.
|
|
|
|
if (stackedByDimInfo) {
|
|
stackedByDimInfo.createInvertedIndices = true;
|
|
}
|
|
|
|
var stackedDimCoordDim = stackedDimInfo.coordDim;
|
|
var stackedDimType = stackedDimInfo.type;
|
|
var stackedDimCoordIndex = 0;
|
|
each(dimensionInfoList, function (dimensionInfo) {
|
|
if (dimensionInfo.coordDim === stackedDimCoordDim) {
|
|
stackedDimCoordIndex++;
|
|
}
|
|
});
|
|
dimensionInfoList.push({
|
|
name: stackResultDimension,
|
|
coordDim: stackedDimCoordDim,
|
|
coordDimIndex: stackedDimCoordIndex,
|
|
type: stackedDimType,
|
|
isExtraCoord: true,
|
|
isCalculationCoord: true
|
|
});
|
|
stackedDimCoordIndex++;
|
|
dimensionInfoList.push({
|
|
name: stackedOverDimension,
|
|
// This dimension contains stack base (generally, 0), so do not set it as
|
|
// `stackedDimCoordDim` to avoid extent calculation, consider log scale.
|
|
coordDim: stackedOverDimension,
|
|
coordDimIndex: stackedDimCoordIndex,
|
|
type: stackedDimType,
|
|
isExtraCoord: true,
|
|
isCalculationCoord: true
|
|
});
|
|
}
|
|
|
|
return {
|
|
stackedDimension: stackedDimInfo && stackedDimInfo.name,
|
|
stackedByDimension: stackedByDimInfo && stackedByDimInfo.name,
|
|
isStackedByIndex: byIndex,
|
|
stackedOverDimension: stackedOverDimension,
|
|
stackResultDimension: stackResultDimension
|
|
};
|
|
}
|
|
/**
|
|
* @param {module:echarts/data/List} data
|
|
* @param {string} stackedDim
|
|
*/
|
|
|
|
|
|
function isDimensionStacked(data, stackedDim
|
|
/*, stackedByDim*/
|
|
) {
|
|
// Each single series only maps to one pair of axis. So we do not need to
|
|
// check stackByDim, whatever stacked by a dimension or stacked by index.
|
|
return !!stackedDim && stackedDim === data.getCalculationInfo('stackedDimension'); // && (
|
|
// stackedByDim != null
|
|
// ? stackedByDim === data.getCalculationInfo('stackedByDimension')
|
|
// : data.getCalculationInfo('isStackedByIndex')
|
|
// );
|
|
}
|
|
/**
|
|
* @param {module:echarts/data/List} data
|
|
* @param {string} targetDim
|
|
* @param {string} [stackedByDim] If not input this parameter, check whether
|
|
* stacked by index.
|
|
* @return {string} dimension
|
|
*/
|
|
|
|
|
|
function getStackedDimension(data, targetDim) {
|
|
return isDimensionStacked(data, targetDim) ? data.getCalculationInfo('stackResultDimension') : targetDim;
|
|
}
|
|
|
|
exports.enableDataStack = enableDataStack;
|
|
exports.isDimensionStacked = isDimensionStacked;
|
|
exports.getStackedDimension = getStackedDimension; |